This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... are made up of solutes and solvents. A) Solutions. B) Suspension. C) Colloid. D) None of above. Show Answer Correct Answer: A) Solutions. 2. What term describes a liquid changing to a gas? A) Deposition. B) Sublimation. C) Freezing. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 3. In this equation 2NaF + Br2 $\rightarrow$2NaBr +F2The underline part is a ..... A) Product. B) Reactant. C) Element. D) None of above. Show Answer Correct Answer: A) Product. 4. Which of the following substances are structural isomers of each other? I. CH3(CH2)3CH3II. (CH3)2CHCH3III. CH3CH(CH3)CH2CH3 A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and III only. 5. Which statement about oils is correct A) Oils are solid at >5C. B) Oils are mainly animal food based. C) Most oils contain unsaturated fats. D) Oils are less healthy than fats. Show Answer Correct Answer: C) Most oils contain unsaturated fats. 6. Your bicycle stayed outside during last week'srain. Then you noticed rust forming onsome of the shiny metal parts. What typeof change has occurred? A) Chemical. B) Endothermic. C) Physical. D) Tarnishing. Show Answer Correct Answer: A) Chemical. 7. What is surface tension? A) The inward force that maximizes the surface area of a liquid. B) The outward force that maximizes the surface area of a liquid. C) The outward force that minimizes the surface area of a liquid. D) The inward force that minimizes the surface area of a liquid. Show Answer Correct Answer: D) The inward force that minimizes the surface area of a liquid. 8. Density A) Physical Intensive Property. B) Physical Extensive Property. C) Chemical Property. D) None of above. Show Answer Correct Answer: A) Physical Intensive Property. 9. Only two sides are equal and all have equal angles (90$^ \circ$) A) Cubic. B) Tetragonal. C) Orthorhombic. D) None of above. Show Answer Correct Answer: B) Tetragonal. 10. Which statements about substitution reactions are correct? I. The reaction between sodium hydroxide and 1-chloropentane predominantly follows an SN2 mechanism.II. The reaction between sodium hydroxide and 2-chloro-2-methylbutane predominantly follows an SN2 mechanism.III. The reaction of sodium hydroxide with 1-chloropentane occurs at a slower rate than with 1-bromopentane. A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and III only. 11. How many atoms is in this formula? NaFBr2 A) 6. B) 7. C) 4. D) 9. Show Answer Correct Answer: C) 4. 12. The branch of chemistry that would study the process of photosynthesis in plants. A) Biochemistry. B) Inorganic. C) Analytical. D) Physical. Show Answer Correct Answer: A) Biochemistry. 13. Substance present at the start of a reaction A) Product. B) Element. C) Matter. D) Reactant. Show Answer Correct Answer: D) Reactant. 14. A chemistry teacher explores the different uses of Nylon in for the production o textiles. What type of research is used? A) Basic research. B) Applied research. C) Technological development. D) None of above. Show Answer Correct Answer: B) Applied research. 15. Measure of the amount of matter an object has. A) Volume. B) Compound. C) Mass. D) Element. Show Answer Correct Answer: C) Mass. 16. What type of bond is $ k_2O$ A) Covalent. B) Ionic. C) Metallic. D) None of above. Show Answer Correct Answer: B) Ionic. 17. Every element has a unique name. Elements can also be represented by- A) Its chemical weight. B) Mass. C) Periodic group. D) Its chemical symbol. Show Answer Correct Answer: D) Its chemical symbol. 18. Which of the following elements is multivalent? A) Ti. B) He. C) F. D) P. Show Answer Correct Answer: A) Ti. 19. The study of substances that are compounds of carbons A) Physical chemistry. B) Organic chemistry. C) Inorganic chemistry. D) Biochemistry. E) Analytical chemistry. Show Answer Correct Answer: B) Organic chemistry. 20. All binary compounds end with ..... A) -ous. B) -ate. C) -ide. D) -ite. Show Answer Correct Answer: C) -ide. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books